#ifndef __COMMON_H__
#define __COMMON_H__

#include <iostream>
#include <vector>

template<class T>
std::ostream& operator<<(std::ostream &out, const std::vector<T>& v) {
    for (const T &t : v) {
        out << t << ",";
    }
    return out;
}

typedef std::vector<int> VectorInt;

#endif
